Orthodontist&#39;s locking device



Sept 11, 1923. 11 467.789

E. M. GRIFFIN ORTHODONTIST'S LOCKING DEVICE Filed Sept. 20. 1922 //1 vehfar Patented Sept. ill, 1923.

ret ree EDWARD M. GRIFFIN, or PORTLAND, OREGON.

I onrnonon'ris rs LOCKIiEG DEVICE.

Application filed September 20,12922. Serial No. 589,446.

To all whom it may concern:

Be it known that LEDWARD GnirriN, orthodontist, a citizen of the United States, residing at Portland, in the county of Multnomah and the State of Oregon, and having his address at 615Stevens Building, in said city and State, have invented a new and use-- ful Improvement in an Orthodontists Locking Device, of which the following is a speci fication.

My invention relates to improvements in orthodontists locking devices wherein l have eliminated many of the faults in existing devices and have added to the art'inthe following particulars.

My improvement eliminates the elevation in the block and permits the arch wire to finish flush with the line of the arch wire on the tooth side of the wire, also a block and 2e locking receptacle for the block are so made as to eliminate sharp corners, the same consisting of curves at all angle turns. A new and improved spiking arrangement is provided, the spike being made tapered in form, and when the same is in placement the small, or tapered point, is bent at right angles to the main stalf. or shank, of the spike to hold the same in placement, the spike being made tapering-in form, when in position, the end opposite,.that of the one to be bent at right angles may be made to finish flush with the surface of the receptacle holding same thereby eliminating any projection that would be objectionable to the wearer of the same. l/V hen a change in pressure is required upon the arch wire the bent portion of the spike is removed on the smaller end by the action, of the grinding wheel, or by other means and the spike is pressed from position in the opposite direction from that which it was placed in position thus taking advantage of the taper which facilitates the removal of the spike. Another advantage of my improvement is accomplished in the method of securing the arch wire to the block by means of drilling the block and the arch wire and the soldering of the same in place by the use of 'a solder having a'low fusing point, or one that melts at alow temperature, for by the use of the same a joint, or welding is accomplished w thout drawing the temper in the arch wire.

I attain these objects by the mechanisms illustrated in the'accompanying drawings, in which Fig. 1 is a front View of the upper jaw with the arch wire in place and clearly illustrating the lock in place, and FigwQ is a crosssection viewtaken on line ofFig. l,'in this View the arch wire'and' block are removed from the seat and'a desired tension has been placed in the arch wire before thesame is placed in position, in'the seat, and the'spike placed therein, the dotted position illustrates the position that the tooth will occupy, when the results are accomplished by the use of my lock. Fig.8 is a plan view of the block before the same has been put in place upon the arch wire. Fig. 4 is an end View ofthesame. Fig. 5 is a-plan view of the block in place upon the'arch wire, and Fig. 6 is a cross section view, of the same taken on line bb of Fig. 5. Fig. 7 is a plan-view 'of the seat partially broken away to more clearly show the construction of the same, and Fig. 8 isan end view of the same, also partially broken away. Fig, 9' is a plan view of the arch wire, block, seat, and spikeassembled, and Fig. 10 is an end View of the same partiallvbroken away to show the assembly of the same; Fig. llis' a plan view of the seat attached to the band around the tooth, and-F 12 is a'front view of the assembled seat, block, arch wire, and spike, this view. is one of a terminal or end attachment in place attached to the band that-is to pass and encircle the tooth to which it is to be attached. Fig. 13 is an end View, ofthe assembled seat, block and spike, showing the spike in place before the same has been bent to placement on the lower side of'the seat. Fig; 14 is an end view of the block that is to be attached tothe arch wire at a location other than at a terminal or-end of the wire and is shown slitted at the back for admission onto the arch wire. Fig. 15 is a plan view of the block in place on the arch wire as attached at the end terminal of the same.

Similar letters refer to similar parts throughout the several'views:

1 is the arch wire to' which the block 2 is made fast, this being accomplished by the thereby accomplishing thewelding without drawing the temper of the arch wire, the object of soldering the arch wire to the block both at the hole or opening 2 and 2 is made possible the removal of all surplus metal at the base of the block and to eliminate elevation and to make possible a straight line of the arch wire and the base of the block,

this is very essential in. the practice ofl orthodontia for itihasto do. with the comfort of the correction devicesthat are placed in the mouth of the. patient, for it reduces elevation at the back of the block,rmakes to a decaying action that is detrimental to them. 3 is the seat, which is attached to the band 4 that surrounds the tooth and holds the same in place. The elimination of the possible the location of. thespike hole 4* to be placed in the approximate center of the radius ofthe seat, the location of this hole was formerly near the outer edge of the same d can only be placed asshown in Fig, 7

and. Fig.11by the elimination of the elevation as heretofore described. The location of. the hole P has a furtheradvantage of makingpossible the rounding of all edges or corners .of the seat thereby further adding to the comfort ofthe appliances when in place. 5 is the tapered spike :which may be made pointed atv both ends and bent to placement 1 by; the use of a pair of pliers or. other similar to'ol,-or it may terminate on its upper end by a headasshown at 5*, or it may be terminatedas shownin the dotted lines as shown at 5 in.Fig..13.

Having. thus described my invention, I wish to, make the following. claims therefor:

1. Anorthodontic appliance comprising a tooth engaginganchoring band, a seat rigidly secured thereto, an arch wire, a block rigidly secured to the arch wire, and detachable connections between the seat and block, the lower face of the arch wirebeing flush with the lower face of the block, saidblock having an elongated groove opening at the lower face thereof for receiving the arch wire, the arch wirereceivinggroove being spaced between the anchoring band and the detachable connections for the seat and block. 1 r

2. An; orthodontic appliance comprising a tooth.engagingan'choring band, a seat rigidlysecured thereto, an arch wire, a block rigidly secured to the arch wire, and detachable connections between the seat and block, the lower face of thearch wire being flush spaced between the anchoring band and the detachable connections for the seat and block, said seat having a cross groove therein of a configuration similar to the external dimensions of the block with the block positioned in the seat groove.

3. An orthodontic an liance com arisin a 1. b

tooth engaging anchoring band, a seat rigidly secured thereto, an arch wire, a block rigidly secured to the arch wire, and detachable connections between the seat and block, the lower. face of the arch wire bein flush with thelower face the block, said block having an elongated groove opening at the lower face thereof for receiving the arch wire, the arch wire receiving groove being spaced inwardly of the detachable connections for the seat and block, said seat having a cross groove therein of a configuration similar to the. external dimensions ofihc block with the block positioned in the seat groove. 1

4t. An orthodontic appliance comprising a tooth engaging anchoring band, a seat rig idly secured thereto, an arch wire, a block rigidly secured to the arch wire, and detachable connections between the seat and block, the lower face of the arch wire beingfiush with the lower face of the block, said block having an elongated groove opening at the lower face thereof for receiving the arch wire, said arch wire having a transverse opening therein communicating with the block groove for the reception of a solder possessing a relatively low" fusing point,- and being positioned at the transverse median line of the seat.

5. An orthodontic appliance comprising a tooth engaging anchoring band, a seatrige idly secured thereto, an arch wire, a block rigidlysecured tothe arch wire,,;detachable connections between the seat andblock, the lower face of the'arch wire being flush with the lower face of the block, said block hav ing an elongated groove opening at the lower face thereof for receiving the arch wire, the arch wire receivinggroove being spaced betweenthe anchoring band and the detachable connections for the seat and block, said seat having a cross groove therein of a configuration similar to the external dimensions of the block with the block plositioned in the seat groove, the cross groove inthe seat being open at its outer side and said block lying flush with, the outer walls of the seat groove.

I EDWARD i GRIFFIN. 

